It's been decades since the murders at Freddy Fazbear's Pizza and Isaac Afton, grandson of the infamous serial killer, finds himself being tricked by a cult into unleashing deadly animatronics among his city. The cult seeks to revive his grandfather from the dead by letting the animatronics kill civilians. Isaac and his friends take it upon themselves to destroy the animatronics and stop the cult from murdering innocent people. But they have no idea what kind of twisted madness they are delving into.